Most Hackaday readers are no doubt familiar with the Faraday cage, at least in name, and nearly everyone owns one: if you’ve ever stood watching a bag of popcorn slowly revolve inside of a ...
However, a compass does work inside a Faraday cage because the cage does not block the earth's magnetic field. Constructed of a metal mesh, current is conducted on the cage itself. It was invented ...
Northview High School, in a suburb of Grand Rapids, has implemented faraday bags to block wireless signals and minimize cellphone use in the classroom. “It’s a real simple process. We’ve ...